Home / 108,632.07-149,964.62-68,365.35

Finding the Fourth Proportional to 108,632.07, 149,964.62 and 68,365.35

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Solution

The fourth proportional to 108,632.07, 149,964.62 and 68,365.35 is: 94,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,632.07 : 149,964.62 = 68,365.35 : x
  2. Step 2: Convert to fraction form
    108,632.07/149,964.62 = 68,365.35/x
  3. Step 3: Cross multiply
    108,632.07x = 149,964.62 × 68,365.35
  4. Step 4: Simplify right side
    108,632.07x = 10,252,383,392.09
  5. Step 5: Solve for x
    x = 10,252,383,392.09/108,632.07
  6. Step 6: Final answer
    x = 94,377.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.